Home / 51,118.40-76,672.20-16,056.20

Finding the Fourth Proportional to 51,118.40, 76,672.20 and 16,056.20

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Solution

The fourth proportional to 51,118.40, 76,672.20 and 16,056.20 is: 24,082.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,118.40 : 76,672.20 = 16,056.20 : x
  2. Step 2: Convert to fraction form
    51,118.40/76,672.20 = 16,056.20/x
  3. Step 3: Cross multiply
    51,118.40x = 76,672.20 × 16,056.20
  4. Step 4: Simplify right side
    51,118.40x = 1,231,064,177.64
  5. Step 5: Solve for x
    x = 1,231,064,177.64/51,118.40
  6. Step 6: Final answer
    x = 24,082.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.